package com.design03_behavioral.pattern13_observer.example02;

/**
 * @ClassName 开奖服务接口
 * @Description TODO
 * @Author zhangjunhao
 * @DATE 2023/9/6 21:35
 */
public interface LotteryService {

    //摇号相关业务
     LotteryResult lottery(String uId);

}
